package com.nkzy;

//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
public class Main {


        public static void main(String[] args) {
            int sum = 0; // 初始化累加器

            // 使用 for 循环，从1遍历到100
            for (int i = 1; i <= 100; i++) {
                int previousSum = sum; // 保存当前累加前的值
                sum += i; // 将当前数字 i 累加到 sum
                System.out.println(previousSum + " + " + i + " = " + sum); // 输出累加步骤
            }

            // 循环结束后输出总和
            System.out.println("1到100的累加和为: " + sum);
        }
    }
